{ buildApp, nextcloudVersion }: assert nextcloudVersion >= 13 && nextcloudVersion <= 19; buildApp rec { appName = "metadata"; version = "0.11.1"; url = "https://github.com/gino0631/nextcloud-metadata/releases/download/v${version}/${appName}.tar.gz"; sha256 = "11napkv5s29xk1gmbfvy610ab1kc06qxqzw606ix5x0d1x4m3h0c"; }